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Re: [TowerTalk]ÂWooden Poles;Vibrations, Vortex Shedding

To: Dennis OConnor <>,
Subject: Re: [TowerTalk]ÂWooden Poles;Vibrations, Vortex Shedding
From: Peter Chadwick <>
Date: Mon, 8 Oct 2007 14:47:45 +0200 (CEST)
List-post: <>
Dennis said:
>A second later I confidently read off the answer...
"Yup", they all agreed, "that's right."
"Now I've seen everything.", said the young fella, just shaking his head...
While I didn't let on, I was pleased to still be able to do something I haven't 
done it 30 years...<
More frightening - I was visiting the other week with a guy my age (60) that I 
was at school with. Helping him with the shopping, he asked "Â36.00 for 12 
bottles of wine, how much is that per bottle?" Then he wanted to know what 
17.5% sales tax would be. I'd done in my head before he could punch the buttons 
on his mobile phone's calculator - and I'm not that good at mental arithmetic. 
But he ought to have been able to divide 36 by 12 in his head....calculators 
make people lazy - and all too often, lead them to believe crazy answers..look 
at the mix-ups in converting lbs/litres/kilograms etc. 
The moral is that if you're using a calculator (or a spread sheet for that 
matter) for antenna/ tower calculations, do a sanity check on the answers. It 
could save a lot of grief - and bent alumium!
Peter G3RZP

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